The stock market on September 9, 1971
September 9, 1971, a Thursday. The S&P 500 fell 0.53% to close at 100.80. Of 2,346 US stocks that traded, 789 rose and 1,143 fell.
The S&P 500-0.53%closed at 100.80
How big a move#11,898of 24,799 trading days since 1928
$100 in the index since$7,643price only, to September 24, 2026
Stocks that rose789of 2,346; 1,143 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Petrie Stores Liquidation Tr | +7.2% |
| Gdv Inc (GDVI) | +4.4% |
| Santa Fe Inds (SFF) | +3.9% |
Biggest falls among the 500 largest companies
| Northwest Airlines (NWA) | -6.6% |
| McDonnell Douglas (MD) | -4.9% |
| Navistar International (NAV) | -4.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.